Capitalize first letter of a column in Pandas dataframe

Analyzing real-world data is somewhat difficult because we need to take various things into consideration. Apart from getting the useful data from large datasets, keeping data in required format is also very important.

One might encounter a situation where we need to capitalize any specific column in given dataframe. Let’s see how can we capitalize first letter of a column in Pandas dataframe.

Let’s create a dataframe from the dict of lists.

filter_none

editclose

play_arrow

linkbrightness_4code

# Create a simple dataframe

# importing pandas as pd

importpandas as pd

# creating a dataframe

df =pd.DataFrame({'A': ['john', 'bODAY', 'minA', 'Peter', 'nicky'],

'B': ['masters', 'graduate', 'graduate',

'Masters', 'Graduate'],

'C': [27, 23, 21, 23, 24]})

df

chevron_right

filter_none

Output:

There are certain methods we can change/modify the case of column in pandas dataframe. Let’s see how can we capitalize first letter of columns using capitalize() method.

If you like GeeksforGeeks and would like to contribute, you can also write an article using contribute.geeksforgeeks.org or mail your article to contribute@geeksforgeeks.org. See your article appearing on the GeeksforGeeks main page and help other Geeks.

Please Improve this article if you find anything incorrect by clicking on the "Improve Article" button below.